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2,2-Dimethyl-1,3-dioxane-4,6-dione

98%

  • Commodity number:B15816
  • Goods number:B15816-25g
  • Brand:Hanhong
  • Income integral:8
  • Abbreviation: 米氏酸,Meldrum’s acid
  • CAS: 2033-24-1
  • MF: C6H8O4
  • Synonyms: 2,2-Dimethyl-1,3-dioxane-4,6-dione
  • MW: 144.13
  • Grade: LR
  • Promotion: Featured
  • Original price: ¥50.00-¥295.00
  • Present price: ¥88.00-¥300.00
Freight number Package Original price Present price Order quantity Stock describe
B15816-25g 25g ¥50.00 ¥88.00
8 deliver goods within 1-2 days
B15816-100g 100g ¥108.00 ¥160.00
5 deliver goods within 1-2 days
B15816-500g 500g ¥295.00 ¥300.00
6 deliver goods within 1-2 days

1、质量

外观类白色结晶

含量:98%

2、供应

 

吨位供应

Parameters

Properties
Properties白色晶体。熔点94-95℃(分解),不溶于水,溶于乙醇,丙酮。
Specification And Standard
Production And Usage
Production process在搅拌下,将浓硫酸加入丙二酸与乙酐组成的悬浮液中。待大部分丙二酸溶解后,冷却,保持温度为20-25℃,向反应物中加入丙酮,搅匀,冷却过夜,滤出析晶,用冰水洗涤,干燥,得2,2-二甲基-1,3二噁烷-4,6-二酮。
Application通过羟醛冷凝和用三乙基胺甲醛还原得到,苄基取代的米氏酸经由水解、失去CO2和氯磺酸进行Friedel-Crafts 环化生成2,3-二氢-2-茚酮。离子液体中加速醛和米氏酸之间的诺文葛尔浓缩反应(Knoevenagel condensations)。
Packing And Storage
Safety
Spectrum And References
Contact Salesman
Buy reagents400-808-6996
Update2019-1-14wf,20191104MSZ